Do you have blood in the white part of your eye with any other symptoms? Other symptoms may include:Eye pain.Sensitivity to light (photophobia).Decreased vision in all or part of the vision field.Blurred vision.Double vision.Floaters, flashes of light, or "curtains" in the vision field.

Do your eye symptoms continue or become worse after you remove your contacts? Symptoms may include:Eye pain.Tearing.A feeling that something is in your eye.Drainage.Redness.Sensitivity to light (photophobia).

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you think that a medicine is causing your vision changes?Note: If your answer is yes:Call the doctor who prescribed the medicine before taking your next dose to determine whether you should stop taking the medicine or take a different one. An appointment may not be necessary.If you are taking a nonprescription medicine (not prescribed by a doctor), stop taking the medicine. If you feel that you need to continue taking the medicine, call your doctor to discuss it.

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.